Across
- 3. The changing of climates
- 5. Factories create ____________.
- 10. The cutting down of trees for human purposes
- 11. Using something again
- 12. When non-native species are brought to a country and negatively impact the natives
Down
- 1. When there are no more living organisms of a species
- 2. What can be done with things such as cardboard and paper?
- 4. Unnessarily throwing out food is called _________.
- 6. Plastic in the ocean is ______________.
- 7. The overheating of the Earth
- 8. Fishing so much that there is nothing left in the ocean is called ___________.
- 9. When a species is at risk of extinction, it is __________